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#ifndef __AR100_INTERNAL_H
#define __AR100_INTERNAL_H
#define R_PIO_BASE 0x01F02C00
#define PIO_BASE 0x01C20800
enum pin_func {
PIO_INPUT,
PIO_OUTPUT,
PIO_ALT1,
PIO_ALT2,
PIO_ALT3,
PIO_ALT4,
PIO_ALT5,
PIO_DISABLE
};
struct gpio_mux {
uint32_t pin;
uint8_t bank;
uint32_t reg;
};
struct gpio_mux gpio_mux_setup(uint8_t pin, enum pin_func func);
static inline unsigned long mfspr(unsigned long add){
unsigned long ret;
__asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
return ret;
}
static inline void mtspr(unsigned long add, unsigned long val){
__asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
}
#endif // internal.h
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